#include <REGX52.H>
#include "Delay.h"

sbit Buzzer=P2^5;//重新定义蜂鸣器引脚
unsigned char i;

void Buzzer_Time(unsigned int ms)
{
	for(i=0;i<=ms;i++)
	{
		Buzzer=!Buzzer;
		Delay(1);
	}
}
